Home / 3,021.99-4,531.89-1,636.35

Finding the Fourth Proportional to 3,021.99, 4,531.89 and 1,636.35

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Solution

The fourth proportional to 3,021.99, 4,531.89 and 1,636.35 is: 2,453.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.99 : 4,531.89 = 1,636.35 : x
  2. Step 2: Convert to fraction form
    3,021.99/4,531.89 = 1,636.35/x
  3. Step 3: Cross multiply
    3,021.99x = 4,531.89 × 1,636.35
  4. Step 4: Simplify right side
    3,021.99x = 7,415,758.20
  5. Step 5: Solve for x
    x = 7,415,758.20/3,021.99
  6. Step 6: Final answer
    x = 2,453.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.